%------------------------------------------------------------------------------
% File : SOS---2.0
% Problem : SET079-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp:raw
% Command : sos-script %s
% Computer : n018.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8042.1875MB
% OS : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit : 600s
% DateTime : Tue Jul 19 05:15:27 EDT 2022
% Result : Unsatisfiable 3.55s 3.73s
% Output : Refutation 3.55s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12 % Problem : SET079-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.07/0.13 % Command : sos-script %s
% 0.13/0.35 % Computer : n018.cluster.edu
% 0.13/0.35 % Model : x86_64 x86_64
% 0.13/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35 % Memory : 8042.1875MB
% 0.13/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35 % CPULimit : 300
% 0.13/0.35 % WCLimit : 600
% 0.13/0.35 % DateTime : Sat Jul 9 17:26:11 EDT 2022
% 0.13/0.35 % CPUTime :
% 0.13/0.38 ----- Otter 3.2, August 2001 -----
% 0.13/0.38 The process was started by sandbox on n018.cluster.edu,
% 0.13/0.38 Sat Jul 9 17:26:11 2022
% 0.13/0.38 The command was "./sos". The process ID is 22161.
% 0.13/0.38
% 0.13/0.38 set(prolog_style_variables).
% 0.13/0.38 set(auto).
% 0.13/0.38 dependent: set(auto1).
% 0.13/0.38 dependent: set(process_input).
% 0.13/0.38 dependent: clear(print_kept).
% 0.13/0.38 dependent: clear(print_new_demod).
% 0.13/0.38 dependent: clear(print_back_demod).
% 0.13/0.38 dependent: clear(print_back_sub).
% 0.13/0.38 dependent: set(control_memory).
% 0.13/0.38 dependent: assign(max_mem, 12000).
% 0.13/0.38 dependent: assign(pick_given_ratio, 4).
% 0.13/0.38 dependent: assign(stats_level, 1).
% 0.13/0.38 dependent: assign(pick_semantic_ratio, 3).
% 0.13/0.38 dependent: assign(sos_limit, 5000).
% 0.13/0.38 dependent: assign(max_weight, 60).
% 0.13/0.38 clear(print_given).
% 0.13/0.38
% 0.13/0.38 list(usable).
% 0.13/0.38
% 0.13/0.38 SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=5.
% 0.13/0.38
% 0.13/0.38 This ia a non-Horn set with equality. The strategy will be
% 0.13/0.38 Knuth-Bendix, ordered hyper_res, ur_res, factoring, and
% 0.13/0.38 unit deletion, with positive clauses in sos and nonpositive
% 0.13/0.38 clauses in usable.
% 0.13/0.38
% 0.13/0.38 dependent: set(knuth_bendix).
% 0.13/0.38 dependent: set(para_from).
% 0.13/0.38 dependent: set(para_into).
% 0.13/0.38 dependent: clear(para_from_right).
% 0.13/0.38 dependent: clear(para_into_right).
% 0.13/0.38 dependent: set(para_from_vars).
% 0.13/0.38 dependent: set(eq_units_both_ways).
% 0.13/0.38 dependent: set(dynamic_demod_all).
% 0.13/0.38 dependent: set(dynamic_demod).
% 0.13/0.38 dependent: set(order_eq).
% 0.13/0.38 dependent: set(back_demod).
% 0.13/0.38 dependent: set(lrpo).
% 0.13/0.38 dependent: set(hyper_res).
% 0.13/0.38 dependent: set(unit_deletion).
% 0.13/0.38 dependent: set(factor).
% 0.13/0.38
% 0.13/0.38 ------------> process usable:
% 0.13/0.38
% 0.13/0.38 ------------> process sos:
% 0.13/0.38 Following clause subsumed by 90 during input processing: 0 [demod,93] {-} member(unordered_pair(A,A),universal_class).
% 0.13/0.38 Following clause subsumed by 159 during input processing: 0 [copy,159,flip.1] {-} unordered_pair(A,B)=unordered_pair(B,A).
% 0.13/0.38 Following clause subsumed by 175 during input processing: 0 [copy,175,flip.1] {-} A=A.
% 0.13/0.38 175 back subsumes 86.
% 0.13/0.38 175 back subsumes 78.
% 0.13/0.38
% 0.13/0.38 ======= end of input processing =======
% 0.60/0.80
% 0.60/0.80 Model 1 (0.00 seconds, 0 Inserts)
% 0.60/0.80
% 0.60/0.80 Stopped by limit on number of solutions
% 0.60/0.80
% 0.60/0.80
% 0.60/0.80 -------------- Softie stats --------------
% 0.60/0.80
% 0.60/0.80 UPDATE_STOP: 300
% 0.60/0.80 SFINDER_TIME_LIMIT: 2
% 0.60/0.80 SHORT_CLAUSE_CUTOFF: 4
% 0.60/0.80 number of clauses in intial UL: 66
% 0.60/0.80 number of clauses initially in problem: 152
% 0.60/0.80 percentage of clauses intially in UL: 43
% 0.60/0.80 percentage of distinct symbols occuring in initial UL: 61
% 0.60/0.80 percent of all initial clauses that are short: 100
% 0.60/0.80 absolute distinct symbol count: 49
% 0.60/0.80 distinct predicate count: 10
% 0.60/0.80 distinct function count: 30
% 0.60/0.80 distinct constant count: 9
% 0.60/0.80
% 0.60/0.80 ---------- no more Softie stats ----------
% 0.60/0.80
% 0.60/0.80
% 0.60/0.80
% 0.60/0.80 Stopped by limit on insertions
% 0.60/0.80
% 0.60/0.80 =========== start of search ===========
% 3.55/3.73
% 3.55/3.73 -------- PROOF --------
% 3.55/3.73 % SZS status Unsatisfiable
% 3.55/3.73 % SZS output start Refutation
% 3.55/3.73
% 3.55/3.73 Stopped by limit on insertions
% 3.55/3.73
% 3.55/3.73 Stopped by limit on insertions
% 3.55/3.73
% 3.55/3.73 Stopped by limit on insertions
% 3.55/3.73
% 3.55/3.73 Model 2 [ 2 1 10931 ] (0.00 seconds, 250000 Inserts)
% 3.55/3.73
% 3.55/3.73 Stopped by limit on insertions
% 3.55/3.73
% 3.55/3.73 Stopped by limit on insertions
% 3.55/3.73
% 3.55/3.73 Stopped by limit on insertions
% 3.55/3.73
% 3.55/3.73 Stopped by limit on insertions
% 3.55/3.73
% 3.55/3.73 Model 3 [ 7 2 8708 ] (0.00 seconds, 250000 Inserts)
% 3.55/3.73
% 3.55/3.73 Stopped by limit on insertions
% 3.55/3.73
% 3.55/3.73 Model 4 [ 12 1 13752 ] (0.00 seconds, 250000 Inserts)
% 3.55/3.73
% 3.55/3.73 Stopped by limit on insertions
% 3.55/3.73
% 3.55/3.73 Stopped by limit on insertions
% 3.55/3.73
% 3.55/3.73 Stopped by limit on insertions
% 3.55/3.73
% 3.55/3.73 Stopped by limit on insertions
% 3.55/3.73
% 3.55/3.73 Stopped by limit on insertions
% 3.55/3.73
% 3.55/3.73 Model 5 [ 11 1 6912 ] (0.00 seconds, 250000 Inserts)
% 3.55/3.73
% 3.55/3.73 Stopped by limit on insertions
% 3.55/3.73
% 3.55/3.73 -----> EMPTY CLAUSE at 3.33 sec ----> 658 [hyper,173,74,171] {-} $F.
% 3.55/3.73
% 3.55/3.73 Length of proof is 2. Level of proof is 2.
% 3.55/3.73
% 3.55/3.73 ---------------- PROOF ----------------
% 3.55/3.73 % SZS status Unsatisfiable
% 3.55/3.73 % SZS output start Refutation
% 3.55/3.73
% 3.55/3.73 74 [] {+} -member(A,universal_class)|unordered_pair(B,A)!=null_class.
% 3.55/3.73 91 [] {-} unordered_pair(A,A)=singleton(A).
% 3.55/3.73 93,92 [copy,91,flip.1] {-} singleton(A)=unordered_pair(A,A).
% 3.55/3.73 171 [] {-} member(x,universal_class).
% 3.55/3.73 172 [] {-} singleton(x)=null_class.
% 3.55/3.73 173 [copy,172,demod,93] {-} unordered_pair(x,x)=null_class.
% 3.55/3.73 658 [hyper,173,74,171] {-} $F.
% 3.55/3.73
% 3.55/3.73 % SZS output end Refutation
% 3.55/3.73 ------------ end of proof -------------
% 3.55/3.73
% 3.55/3.73
% 3.55/3.73 Search stopped by max_proofs option.
% 3.55/3.73
% 3.55/3.73
% 3.55/3.73 Search stopped by max_proofs option.
% 3.55/3.73
% 3.55/3.73 ============ end of search ============
% 3.55/3.73
% 3.55/3.73 ----------- soft-scott stats ----------
% 3.55/3.73
% 3.55/3.73 true clauses given 3 (15.0%)
% 3.55/3.73 false clauses given 17
% 3.55/3.73
% 3.55/3.73 FALSE TRUE
% 3.55/3.73 3 0 2
% 3.55/3.73 5 10 13
% 3.55/3.73 6 4 3
% 3.55/3.73 7 22 15
% 3.55/3.73 8 16 25
% 3.55/3.73 9 27 21
% 3.55/3.73 10 13 22
% 3.55/3.73 11 18 31
% 3.55/3.73 12 3 15
% 3.55/3.73 13 10 43
% 3.55/3.73 14 4 4
% 3.55/3.73 15 1 43
% 3.55/3.73 16 8 6
% 3.55/3.73 17 8 19
% 3.55/3.73 18 3 2
% 3.55/3.73 19 3 27
% 3.55/3.73 20 2 2
% 3.55/3.73 21 4 8
% 3.55/3.73 22 2 1
% 3.55/3.73 23 6 5
% 3.55/3.73 24 0 4
% 3.55/3.73 25 2 3
% 3.55/3.73 27 3 2
% 3.55/3.73 28 0 2
% 3.55/3.73 29 4 2
% 3.55/3.73 31 3 0
% 3.55/3.73 35 0 1
% 3.55/3.73 tot: 176 321 (64.6% true)
% 3.55/3.73
% 3.55/3.73
% 3.55/3.73 Model 5 [ 11 -30 6912 ] (0.00 seconds, 250000 Inserts)
% 3.55/3.73
% 3.55/3.73 That finishes the proof of the theorem.
% 3.55/3.73
% 3.55/3.73 Process 22161 finished Sat Jul 9 17:26:15 2022
%------------------------------------------------------------------------------